1  /* Runtime architecture check for math tests. AArch64 version.
       2  
       3     Copyright (C) 2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #ifdef REQUIRE_SVE
      21  #  include <sys/auxv.h>
      22  
      23  #  define INIT_ARCH_EXT
      24  #  define CHECK_ARCH_EXT                                                      \
      25      do                                                                        \
      26        {                                                                       \
      27  	if (!(getauxval (AT_HWCAP) & HWCAP_SVE))                              \
      28  	  return;                                                             \
      29        }                                                                       \
      30      while (0)
      31  
      32  #else
      33  #  include <sysdeps/generic/math-tests-arch.h>
      34  #endif